export const name = 'lanmao';

export const get = () => {
  console.log(name)
  return name
}

export let family = {
  age: 19
}

@add
export class A {
  dinner = 'banana'
}
console.log(A)

function add(target) {
  [12, 90].include(12)
  target.prototype.cry = function() {
    console.log("i'm cry")
  }
}